Lege Artis Medicinae

[Cesarean Section in Islamic Culture]

SZABÓ András

MARCH 19, 2007

Lege Artis Medicinae - 2007;17(03)

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Lege Artis Medicinae

[Extensively drug-resistant tuberculosis]

VADÁSZ Imre

Lege Artis Medicinae

[Cooperation of the cytopathologist and the radiologist in cytodiagnostics]

JÁRAY Balázs, SZÉKELY Eszter, ISTÓK Roland, WINTERNITZ Tamás, TARJÁN Zsolt, TÓTH Anna, GYŐRI Gabriella, PÉNTEK Zoltán, EGYED Zsófia, NÁDOR Katalin

Lege Artis Medicinae

[Trauma in Five Movements Ágnes Heller: Trauma]

FERENCZI Andrea

Lege Artis Medicinae

[BISPHOSPHONATES IN THE TREATMENT OF BONE METASTASES]

NAGYKÁLNAI Tamás

[Bisphosphonates are used in the treatment of malignant diseases with bone metastases and of osteoporosis. The currently available bisphosphonates have a wide range of effectiveness, tolerability and dosing profiles. In metastatic disease, bisphosphonate therapy is aimed at the correction of hypercalcaemia and the reduction of skeletal-related events due to malignancy metastatic to bone. Large clinical trials have shown that long-term administration of bisphosphonates can reduce skeletal-related events by 30 to 40% and significant analgesic effect is reached in at least 50% of the patients. The superiority of zoledronate to the old standard pamidronate has been proved in large randomized trials. Despite the fact that bisphosphonates are generally well tolerated, certain toxicities such as renal toxicity and osteonecrosis of the jaw should be considered with prolonged use.]

Lege Artis Medicinae

[THE ROLE OF SIMVASTATIN IN THE TREATMENT OF DIABETIC DYSLIPIDAEMIA]

BALOGH Zoltán, PARAGH György

[Patients with type 2 diabetes have markedly increased cardiovascular morbidity and mortality. Type 2 diabetes is typically associated with atherogenic dyslipidaemia, which is characterized by elevated triglycerides, low plasma levels of high-density lipoprotein cholesterol, and an increased ratio of small, dense lowdensity lipoprotein particles. Current treatment guidelines stress the importance of lipidlowering therapy in reducing cardiovascular risk in diabetic patients. Statins currently represent the cornerstone of dyslipidaemia management, based on their ability to efficiently reduce cardiovascular risk through lowering low-density lipoprotein cholesterol. They have, however, a relatively modest effect on the components of atherogenic dyslipidaemia, since they reduce triglycerides by only 15 to 35% and elevate high-density lipoprotein cholesterol by less than 10%. This raises the need for combining statins with other lipid-lowering drugs (ezetimibe, nicotinic acid, fibrate) at an early stage of type 2 diabetes. Authors review the role of simvastatin monotherapy in the treatment of diabetic dyslipidaemia and summarize the results of studies on simvastatin as part of a combined lipid-lowering treatment.]

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Clinical Neuroscience

[USING BRAIN SLICE CULTURES OF MOUSE BRAIN TO ASSESS THE EFFECT OF GROWTH FACTORS ON DIFFERENTIATION OF BONE MARROW DERIVED STEM CELLS]

BRATINCSÁK András, LONYAI Anna, SHAHAR Tal, HANSEN Arne, TÓTH E. Zsuzsanna, MEZEY Éva

[Bone marrow derived stem cells (BMDSCs) have been reported to form neurons and supportive cells in the brain. We describe a technique that combines the simplicity of in vitro studies with many of the advantages of in vivo experiments. We cultured mouse brain slices, deposited GFPtagged BMDSCs evenly distributed on their surfaces, and then added test factors to the culture medium. Addition of both SDF-1 and EGF resulted in morphological changes of BMDSC and in the induction of islet-1, a marker of neuroepithelial progenitors. We conclude that organotypic tissue culture (OTC) may allow us to detect the effects of exogenous factors on the differentiation of BMDSCs (or any other type of stem cells) in an environment that may resemble the CNS after brain injury. Once such factors have been identified they could be evaluated for tissue regeneration in more complex, whole animal models.]

Lege Artis Medicinae

[Evaluation of body image by means of body shape test and the priming phenomenon]

KOVÁCS Gyöngyvér Xénia, PRIEVARA Dóra Katalin, PIKÓ Bettina

[INTRODUCTION - Body image plays a significant role in the way how the individuals evaluate their own health and in the motivation for health promotion and disease prevention. Consumer culture provides controversial messages for the population, on one hand it motivates to try foods of high calories, on the other hand it also supports the thin body for the ideal. Not surprisingly, besides obesity, eating disorders and distorted body image disorders also tended to increase during the past decades. Therefore, it would be relevant to investigate the background variables of body image. METHODS - One hundred and sixty seven healthy working adults participated in our study that included a self-completed, voluntary and anonymous questionnaire with a focus on the so called body shape test. First, based on projecting figures on slides, the participants evaluated their own figure and the ideal one as perceived by them. Then we projected figures of skinny models. After this they re-evaluated themselves. The goal of this investigation was to detect the priming effect of projecting slim figures that is frequently used in the media. RESULTS - Based on the projection of the skinny models, there was a change in 55.6% of the sample in the evaluation of one’s own figure. On a Likert-type scale of 1-7 points, previously they had evaluated themselves with an average of 3.23 points (thinness scale) that turned into 3.35 after the projection of the skinny models. In addition, their view about their own ideal body (4.57 points), and about female and male ideal body also changed into a slimmer one. These changes were statistically significant (p < .001) by paired t-test both for men and women. Finally, men and women did not show significant difference in the evaluation of female and male ideal body. CONCLUSIONS - These results justified the role of the pictures’ priming effect in body image both in terms of the perception of one’s own figure and the ideal body. The change was particularly relevant in the case of evaluation of one’s own figure due to the choice of the slimmer body as compared to the view of the ideal body. Evaluation of female and male ideal body was similar to the first projection of the pictures as compared to what they would think as ideal for themselves. After the projection images of the female and male ideal body moved to the slimmer figures in a smaller account as compared to the own ideal body image. All these suggest that pictures projected by the media may have a significant role in the population’s body image. Clarifying the phenomenon may help in health promotion and dieting related disease prevention. ]

Lege Artis Medicinae

[Dániel Margócsy: Commercial Visions: Science, Trade, and Visual Culture in the Dutch Golden Age ]

SZEBIK Imre

Hypertension and nephrology

[The apparatus which controls our kidney too. Part 2 - Structure and function of the juxtaglomerular apparatus]

ROSIVALL László

[The juxtaglomerular apparatus is comprised of the macula densa (a specialregion of the distal tubule), the renin producing granular or epithelioid-cells of the afferent arteriole, the extraglomerular mesengial cells, and the efferent arteriole’s section bordering this region. Somewhat more general definitions also exist. Recently, distinctive morphological and functional associations have been identified between the components of the JGA and some common mediators (e.g. adenosine, angiotensin, NO, prostaglandins, etc.). Current data suggest that each cell of the macula densa also contain few cilia that may have a role in sensing fluid flow. The distal section of the afferent arteriole (possessing the same structure as the glomerular capillaries) is covered by fenestrated endothelium. Trace dose of ferritin particles can pass through the afferent arteriole’s fenestrae into the interstitium of the JGA due to the considerable hydrostatic pressure gradient. The parietal lamina of Bowman’s capsule, which covers the renin granulated cells of the afferent arteriole behaves much like the visceral lamina in that the epithelial cells of the parietal lamina exhibit foot processes and filtration slits. The urinary space is regularly bulging into the extraglomerular mesangium. Therefore, the notion has been refuted that the JGA, which contains neither blood nor lymph capillaries, is a closed system engaging in only slow fluid exchange. Furthermore it is affirmed that the afferent arteriole consists of two morphologically and functionally disparate segments, the ratio of which is considerably modified by the activity of the renin-angiotensin system.]

Lege Artis Medicinae

[Medicine: a Ship on the Sea of Culture – The “Cheap Drug Debate” and its Cultural Aspects]

BÁNFALVI Attila